Knife Assembly Tab Blade Segmentation
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Solution Overview
Problem
Existing knife assemblies for producing julienne cuts in food products require metallurgical joining of blades, which can exert excessive pressure on food slices and complicate assembly, potentially leading to incomplete cuts.
Innovation Solution
A knife assembly design featuring a primary blade with corrugated shape and slots at peaks, combined with tab blades that are not metallurgically joined, allowing for complementary assembly and secure attachment through a clamp and knife holder, enabling efficient production of julienne cuts without fusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If blades are metallurgically joined together, then structural rigidity is improved, but pressure on food slices becomes excessive and assembly becomes complicated
Solution Approach 1:
The knife assembly is divided into separate blade components (primary blade and tab blade) that are not metallurgically joined. The tab blade is positioned in a slot of the primary blade and secured independently, allowing each component to function separately without the complexity of fusion while maintaining structural integrity through precise positioning and clamping.
Solution Approach 2:
A clamp serves as an intermediary element to secure the tab blade to the primary blade without metallurgical joining. The clamp holds the blades in proper alignment and maintains the required structural rigidity during operation, eliminating the need for complex welding or brazing processes.
2Strength
If tabs are made wider for secure attachment, then attachment security is improved, but pressure on food slices increases causing incomplete cuts
Solution Approach 1:
The tab blade is designed with varying thickness along its length, with the thinnest material used where possible to minimize pressure on food slices. The attachment security is achieved through the clamp mechanism and precise positioning in the slot rather than relying on wide tab dimensions, allowing the tab to be narrow and thin where it contacts the food while still being securely attached.
3Force
If tabs are made thinner to reduce pressure, then pressure on food slices is reduced, but structural rigidity decreases
Solution Approach 1:
The clamp acts as a mediator that provides the necessary structural support and rigidity to thin tab blades. By securing the tab blade to the primary blade with the clamp, the system maintains structural integrity even when the tab blade is made thin to reduce pressure on food slices during the cutting process.
Data Source
AI summary
Knife assemblies and methods therefor that are adapted to be used with a cutting apparatus capable of producing a variety of shaped food products having large amplitudes, for example, sliced, shredded, and strip-cut food products. The knife assembly includes a primary blade having a corrugated shape to produce a large-amplitude food product slice having a periodic shape, and at least one tab blade assembled with or formed from the primary blade to cut a food product slice into strips.